established in 2014, yunji technology has a team of over 500 employees, 60% of which are dedicated to r&d. the number of intellectual property applications of yunji exceeded 1,800, among which the number of patent applications is more than 1000 (invention patents account for more than 60%). the brand owns more than 400 invention patents in the fields of robot movement and iot control. the innovation index of qichacha reached 711.78t*. also, yunji technology has won the "beijing top 100 companies in scientific and technological innovation award", "wu wenjun award for artificial intelligence science & technology", etc. yunji's innovation capability and patent number are industry-leading.as a leading technology company dedicated in service robot applications and technologies, yunji technology has been focusing on the productization and commercialization of intelligent robots by virtue of abundant experience in indoor positioning and navigation, robot movement, and big data. yunji technology has completed six robot iterations and r&d for three generations of robot prototypes. our products, providing delivery, usher, broadcasting, retailing and other services, are mainly used in hotels, office buildings, hospitals, government halls and shopping malls.